<template>
    <div>
        <h1>{{ message }}</h1>
        <button @lick="greet" click="greet">greet</button>
    </div>
    </template>
    <script>
export default{
    data() {
        return {
            message:'Hello,Vue3!'
        }
    },
    methods:{
        greet(){
            this.message='Hello,'+this.$ars.name +'!'
        }
    }
}
</script>
<style>
</style>